What delimiter does it support?

Comma-separated CSV is supported by default. Tab-separated files (.tsv) should be renamed to .csv first.

CSV to Excel Converter

Convert CSV files to Excel XLSX spreadsheets instantly.

Secure & Private

Fast Processing

No Installation Required

or drop files here

Files stay private. Automatically deleted after 2 hours.

Upload your .csv file.

Rows are mapped to Excel rows with auto-detected headers.

Download the ready-to-use XLSX file.

Auto-detects Headers

Preserves All Data

Large CSV Support

Free & Private

Convert JSON data to formatted Excel spreadsheets with automatic column detection.

Convert JSON arrays to CSV files for spreadsheets, databases, and data pipelines.

Render JSON data as a formatted, readable PDF report.

Try our AI-powered chat interface for multi-step document workflows and batch processing.